/*
 * Copyright (C) 2018 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.copybara.jcommander;

import com.beust.jcommander.IStringConverter;
import com.beust.jcommander.ParameterException;
import com.google.copybara.authoring.Author;
import com.google.copybara.authoring.AuthorParser;
import com.google.copybara.authoring.InvalidAuthorException;

/**
 * Class converting a JCommander argument into an {@link Author} .
 */
public class AuthorConverter implements IStringConverter<Author> {

  @Override
  public Author convert(String value) {
    try {
      return AuthorParser.parse(value);
    } catch (InvalidAuthorException e) {
      throw new ParameterException("Error parsing author for flag --force-author.", e);
    }
  }
}
